X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fwww%2Flambdadelta%2Fnews.html;h=1110d756931c2e06b8bbb9fffa6160171ad54c87;hb=9b75ad80a3ee31314c02f113b255ad533a87d3d2;hp=915d3193dddb1ee37905255c5a39d4d3d5b3727f;hpb=a255d83ebcb9b700a6f30cbcd109d223fc0d98cb;p=helm.git
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- λδ home page
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![The Crux [Crux Logo]](images/crux_32.png)
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The Formal System λδ (\lambda\delta)
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Towards the unification of terms, types, environments and contexts
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![Separator [Separator]](images/rainbow.png)
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- News ![Butterfly [Butterfly]](images/b5.png)
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+ \lambda\delta home page
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+ The Formal System λδ (\lambda\delta)
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+ ![lambdadelta rainbow rule [Spacer]](http://lambdadelta.info/images/rainbow.png)
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+ Milestones ![lambdadelta butterfly [spacer]](http://lambdadelta.info/images/b3.png)
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+ July 2014.
+ A new version of this site is online.
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+ December 2012.
+ The character "_" is removed from the denomination "lambda_delta":
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- - December 2012. The character "_" is removed from the denomination "lambda_delta".
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- - The denomination "\lambda\delta" is used in λδ-related texts.
- - The denomination "lambdadelta" is used in λδ-related identifiers.
- - Permanent λδ URL acquired: http://lambdadelta.info/
-(pointing at this site).
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+ The denomination "\lambda\delta" is used in λδ-related texts.
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+ The denomination "lambdadelta" is used in λδ-related identifiers.
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+ Permanent λδ URL acquired:
+ http://lambdadelta.info/
+ (pointing at this site).
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- - September 2011. The
-denomination "lambda-delta" changes to "lambda_delta".
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- - The character "-" is reserved in λδ textual syntax
-(recognized by Helena 0.8.1).
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- - Eventually, the occurrences of the character "-" will
-be replaced by "_" in all λδ-related identifiers.
- - In particular, this refactoring involves file names and
-path names.
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+ September 2011.
+ The denomination "lambda-delta" changes to "lambda_delta":
- - April 2011. The
-specification of λδ version 2 and related topics is restarted in Matita 0.5.
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- - Here is a page about the
-topics related to the specification (Applications).
- - Here is a page about the
-specification (Core).
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- - December 2010. Transient λδ URL acquired: http://lambda-delta.info/
-(expires on December 2012).
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- - November 2010. Helena 0.8.1 is released.
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- - September 2008.
-This site is online.
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- - May 2008. The
-specification of λδ version 1 is dismissed.
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- - March 2008. The
-specification of λδ version 2 is started with Coq 7.3.1 (false start).
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- Visibility ![Butterfly [Butterfly]](images/b4.png)
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- - February 2012. The Google search for formal system lambda delta gives
-5 resources about λδ in the first 6 results.
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- - February 2012. The Yahoo search formal system lambda delta gives
-this site as the first result.
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![PNG Used Here [PNG Used Here]](images/PNGnow2.png)
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-Last update 2012-12-02 by
Ferruccio
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-Guidi
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+ The character "-" is reserved in λδ textual syntax
+ (recognized by "Helena 0.8.1").
+
+
+ Eventually, the occurrences of the character "-"
+ will be replaced by "_" in all λδ-related identifiers.
+
+
+ In particular, this refactoring involves file names and path names.
+
+
+
+
+
+
+
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+ -
+ December 2010.
+ Transient λδ URL acquired: http://lambda-delta.info/ (expires on December 2012).
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+ -
+ November 2010.
+ "Helena 0.8.1" is released.
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+ September 2008.
+ This site is online.
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+ -
+ May 2008.
+ The specification of λδ version 1 is dismissed.
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+ -
+ March 2008.
+ The specification of λδ version 2 is started with Coq 7.3.1 (false start).
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+ May 2004.
+ The specification of λδ version 1
+ is started with Coq 7.3.1.
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+ Visibility
![lambdadelta butterfly [spacer]](http://lambdadelta.info/images/b3.png)
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+ June 2014.
+ The Google
+ search for "formal system lambda delta" gives
+ 5 resources about λδ in the first 6 results.
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+ -
+ June 2014.
+ The Yahoo
+ search for "formal system lambda delta" gives
+ 4 resources about λδ in the first 5 results.
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+
![lambdadelta rainbow rule [Spacer]](http://lambdadelta.info/images/rainbow.png)
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+ Last update: Sun, 05 Oct 2014 16:38:31 +0200
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